Hyundai Sonata LF: Cylinder Head Assembly / Cylinder Head Components and Components Location

CVVT & Camshaft Repair procedures

Removal 1. Remove the cylinder head cover. (Refer to Cylinder Head Assembly - "Cylinder Head Cover") 2. Turn the crankshaft damper pulley so that No...

Cylinder Head Repair procedures

Removal Engine removal is not required for this procedure.     • Use fender covers to avoid damaging painted surfaces. • To avoid damaging the cylinder head, wait until the engine coolant temperature drops below normal temperature before removing it...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Cowl Top Cover

Components and Components Location Component Location 1. Cowl top cover Repair procedures Replacement     • Put on gloves to protect your hands.     • When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage...

Hyundai Sonata LF 2014-2019 Service Manual: CVVT & Camshaft Description and Operation

Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine speed and load. By controlling CVVT, the valve over-lap or under-lap occurs, which makes better fuel economy and reduces exhaust gases (NOx, HC) and improves engine performance through reduction of pumping loss, internal EGR effect, improvement of combustion stability, improvement of volumetric efficiency, and increase of expansion work...